The isostructural nature of Li-layered cathodes allows for accommodating multiple transition metals (TMs). However, little is known about how the local TM stoichiometry influences the charging behavior of battery particles thus impacting battery performance. Here, we develop heterogeneous compositional distributions in …
Herein, we proposed a symmetric sodium ion battery based on dual-electron reactions of NASICON structured Na3MnTi(PO4)3 material. The Na3MnTi(PO4)3 electrode can deliver a stable capacity up to 160 mAh g-1 with the Coulombic efficiency of 97 % at 0.1 C by utilizing the redox reactions of Ti3+/4+, Mn2+/3+ and Mn3+/4+.
Cathode materials for lithium-sulfur battery: a review
In this work, a novel type of temperature-responsive symmetric all-organic battery with overheating self-protection function is proposed based on poly (3 …
A high-safety and low-cost route is important in the development of sodium-ion batteries, especially for large-scale stationary battery systems. An aqueous sodium-ion battery is demonstrated using a single NASICON-structured Na 2 VTi(PO 4 ) 3 material with the redox couples of V 4+ /V 3+ and Ti 4+</sup>/Ti<sup>3+</sup> working on the cathode and …
A small molecule, 2,3,7,8-tetraaminophenazine-1,4,6,9-tetraone (TAPT), is reported for symmetric all-organic lithium-ion batteries. The rich C=O, C=N and NH 2 groups enabled more than two plateaus, …
A symmetric sodium-ion battery with an aqueous electrolyte is demonstrated; it utilizes the NASICON-structured Na 3 MnTi(PO 4) 3 as both the anode and the cathode. The NASICON-structured Na 3 MnTi(PO 4) 3 possesses two electrochemically active transition metals with the redox couples of Ti 4+ /Ti 3+ and Mn 3+ /Mn 2+ working …
A symmetric battery composed of a single electrode material as both the anode and cathode is a model battery configuration owing to its distinctive advantages over the existing asymmetric ones in terms of cost, production process and safety issues. However, the limited choice of suitable electrode materials Journal of Materials Chemistry A HOT …
Inspired by the previous studies, in this work, we first reported a symmetric all-organic battery with overheating self-protection function using poly(3-octylthiophene) (P3OT) as both cathode- and anode-active materials. P3OT which is tightly anchored on CNT surface showed high reversible p- and n-type redox activities.
As a cathode limited design, the specific capacity of the all-organic battery was calculated based on the mass of cathode materials. The all-organic battery can deliver the discharge capacities of 97.2, 73.1, 61.8, 52.7 and 45.3 mAh g −1 at current densities of 50, 100, 200, 500 and 1000 mA g −1, respectively.
High-performance aqueous symmetric sodium-ion battery ...
In this work, a stable symmetric sodium-ion battery based on the bipolar, active O3-type material, Na 0.8 Ni 0.4 Ti 0.6 O 2, is developed. This bipolar material shows a typical O3-type layered structure, containing two electrochemically active transition metals with redox couples of Ni 4+ /Ni 2+ and Ti 4+ /Ti 3+, respectively.
These compounds can fabricate symmetric batteries using the same material as anode and cathode, reducing the manufacturing cost and accounting for …
After only one optimization step, the electrodes based on these dual redox polymers can be applied simultaneously as anode and cathode in a symmetric all-organic battery. The phenothiazine functional polyimide shows two redox active voltages at around 2.5 and 3.7 V (vs. Li/Li + ) with high discharge capacities of 160 mAh g -1 .
The electrode materials in all-organic symmetric batteries need to balance the voltage, specific capacity and cycling stability of the cathode and anode. 15 Benefiting from the outstanding electrochemical performance and suitable voltage of the PSQ cathode and anode, PSQ is expected to be a promising cathode and anode material for all-organic ...
A bipolar-type organic electrode material is adopted in symmetric aqueous battery, which displays a considerable output voltage of 0.62 V, a specific …
This is the first time to investigate the symmetric sodium-ion full cell using Na 3 MnTi(PO 4) 3 as both cathode and anode in the organic electrolyte, demonstrating excellent reversibility and cycling …
Organic materials with the 5,10-dihydrophenazine motif are superior cathode materials for lithium-ion batteries. However, the difficult accessibility and low capacity of such cathodes materials ...
In symmetrical sodium-ion battery test, the battery was assembled into a coin-type full cell and was anode limited with as-prepared Na 2 VTi(PO 4) 3 @C as both …
In this work, a stable symmetric sodium-ion battery based on the bipolar, active O3-type material, Na0.8Ni0.4Ti0.6O2, is developed. This bipolar material shows a typical O3-type layered structure, containing two electrochemically active transition metals with redox couples of Ni4+/Ni2+ and Ti4+/Ti3+, respectively.
This study proposes the first dual-ion organic symmetric cell based on a molecular anion of 4,4''-(phenazine-5,10-diyl)dibenzoate, which allows a facile transport of cations and large anions, and remains stable in both oxidized and reduced states. Symmetric batteries received an increasing research interest in the past few years …
Symmetric sodium-ion batteries possess promising features such as low cost, easy manufacturing process, and facile recycling post-process, which are suitable for the application of large-scale stationary energy storage. Herein, we proposed a symmetric sodium-ion battery based on dual-electron reactions of a NASICON-structured …
A symmetric battery composed of a single electrode material as both the anode and cathode is a model battery configuration owing to its distinctive advantages over the existing asymmetric ones in terms of cost, production process and safety issues. However, the limited choice of suitable electrode materials Journal of Materials Chemistry A HOT …
A symmetric battery composed of a single electrode material as both the anode and cathode is a model battery configuration owing to its distinctive advantages over the existing asymmetric ones in terms of cost, …
The commercialization of sodium-ion batteries is based on developing low-cost, highly stable, and safe cathode and anode electrodes. However, the promising …
Semantic Scholar extracted view of "Constructing the best symmetric full K-ion battery with the NASICON-type K3V2(PO4)3" by Lei Zhang et al. Skip to search form Skip to main ... The symmetric battery composed of single electrode material as both anode and cathode is a model battery configuration owing to its distinctive advantages …
a Schematic of the CMCD technique used in this work.b Operando powder X-ray diffraction of NMC cathode''s (003) diffraction peak and the corresponding charge-discharge curve of the cell.c–g ...
Cathode material is one of the key components of a sodium-ion battery (SIB) that significantly determines the working voltage, energy density, cycle life, and …
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